Added EmailLocalPartValidator

src/validators/EmailLocalPartValidator.php

@@ -1,7 +1,45 @@
 <?php
+
 /**
- * Created by PhpStorm.
- * User: silverfire
- * Date: 13.11.15
- * Time: 16:12
- */
+ * @link    http://hiqdev.com/hipanel-module-hosting
+ * @license http://hiqdev.com/hipanel-module-hosting/license
+ * @copyright Copyright (c) 2015 HiQDev
+ */
+
+namespace hipanel\modules\hosting\validators;
+use yii\validators\RegularExpressionValidator;
+
+/**
+ * Class EmailLocalPart is used to validate Email local parts
+ *
+ * @package hipanel\modules\hosting\validators
+ */
+class EmailLocalPartValidator extends RegularExpressionValidator
+{
+    /**
+     * @var string default validation pattern for the local part
+     */
+    public $defaultPattern = '/^[0-9a-z_+-]([0-9a-z\._+-]+)?$/i';
+
+    /**
+     * @var string the same as [[defaultPattern]], but allows `*` character.
+     * Used when [[allowWildCard]] is true.
+     */
+    public $defaultWildPattern = '/^(\*|([0-9a-z_+-]([0-9a-z\._+-]+)?))$/i';
+
+    /**
+     * @var bool Whether to allow `*` char instead of local part. Defaults to false.
+     */
+    public $allowWildCard = false;
+
+    /**
+     * @inheritdoc
+     */
+    public function init () {
+        $this->message = \Yii::t('app', '{attribute} is not a valid local part of email');
+
+        if ($this->pattern === null) {
+            $this->pattern = $this->allowWildCard ? $this->defaultWildPattern : $this->defaultPattern;
+        }
+    }
+}